Thunderstorms produced large hail over the bay of Green Bay during the afternoon hours on Friday (5/30).
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GRB wrote it up.
Thunderstorms produced large hail over the bay of Green Bay during the afternoon hours on Friday (5/30).
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Green Bay, WI wrote its last area forecast discussion before the first event at May 30, 3:04 PM CST, 56 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Green Bay WI 258 PM CDT Fri May 30 2025 WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-312000- Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln- Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano- Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago- Calumet-Manitowoc-Southern Marinette County- Southern Oconto County- 258 PM CDT Fri May 30 2025 This Hazardous Weather Outlook is for north-central and northeast Wisconsin. .DAY ONE...Tonight There is a chance of thunderstorms through early evening, with a marginal risk of severe storms in eastern Wisconsin. A few of the strongest storms may produce wind gusts of 40 to 60 mph and hail up to 1 inch in diameter. Smoke from Canadian wildfires will impact the region through tonight. The smoke may reduce visibility and cause air quality issues. An Air Quality Advisory is in effect for the entire area. .DAYS TWO THROUGH SEVEN...Saturday through Friday There is chance of thunderstorms and heavy rainfall during the middle of next week. .SPOTTER INFORMATION STATEMENT... Spotters are asked to report any hail or wind gusts greater than 40 mph to the National Weather Service in Green Bay. LMZ521-522-541>543-312000- The Bay of Green Bay south of a line from Cedar River MI to Rock Island Passage-Lake Michigan from Washington Island to Sheboygan- 258 PM CDT Fri May 30 2025 This Hazardous Weather Outlook is for portions of northwest Lake Michigan and the waters of Green Bay. .DAY ONE...Tonight There is a chance of thunderstorms through late afternoon. A Small Craft Advisory is in effect for the bay and Lake Michigan nearshore waters from Washington Island to Sturgeon Bay from 4 PM to 10 PM today. North winds are expected to gust over 25 knots at times. .DAYS TWO THROUGH SEVEN...Saturday through Friday There is a chance of thunderstorms during the middle of next week. KLJ
Special Weather Statement
National Weather Service Green Bay WI
316 PM CDT Fri May 30 2025
WIZ022-073-302045-
Southern Marinette County WI-Door WI-
316 PM CDT Fri May 30 2025
...A STRONG THUNDERSTORM WILL IMPACT SOUTHERN MARINETTE AND SOUTHERN
DOOR COUNTIES THROUGH 345 PM CDT...
At 316 PM CDT, Doppler radar was tracking a strong thunderstorm 7
miles northwest of Menominee, or 9 miles northwest of Marinette,
moving south at 30 mph.
HAZARD...Wind gusts up to 40 mph and penny size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to vegetation is
possible.
This strong thunderstorm will be near...
Marinette around 330 PM CDT.
Other locations impacted by this storm include Maplewood,
Porterfield, Harmony, and Peshtigo.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
&&
LAT...LON 4473 8777 4482 8769 4486 8778 4480 8784
4493 8784 4499 8776 4499 8785 4526 8788
4528 8770 4517 8774 4511 8760 4514 8761
4514 8760 4500 8756 4491 8777 4487 8777
4483 8769 4491 8753 4475 8748
TIME...MOT...LOC 2016Z 352DEG 22KT 4518 8776
MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH
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</html>The Green Bay radar (KGRB), 14 km away, was scanning. The volume nearest the first event began at 21:59 UTC.
2 marine hail. Local standard time, as filed.
Quarter size hail fell in Green Bay. The time of this report is an estimate based on radar data.
Nickel size hail fell near New Franken. The time of this report is an estimate based on radar data.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Lake Michigan in 2025Every state in 2025This day in weather history
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1253032, 1253033.